Chevrolet TSB #23-NA-073
2020 Chevrolet Silverado 3500
TSB Document:
Affected Component: ENGINE AND ENGINE COOLING
- Summary
- This technical bulletin provides repair information to correct a customer concern of Evaporative DTCs P0442, P0446, P0455 or P0449, Caused by Dust Intrusion into the Evaporative Canister.
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